Google Mobile 2014, September 2010-July 2011, as a research internKey: Efficient Nearest Neighbour Search for Billions of Moving ObjectsTechnique: MapReduce, BigTable, Hilbert CurveContribution: Propose the algorithm and conduct experiments on it

Tongshare1 ,
January 2011-June 2011, as a team leaderKey: Calendar Event Sharing, Website Maintaining and PromotionTechnique: Ruby on Rails, HTML, Javascript, CSSContribution: Build a social network website based on calendar events inside school (such as classes,
seminars, etc.), attract more than 700 registered students in first few hours, support event information
update for official android/iphone mobile app for Tsinghua centenary.

LiveS Cube2 ,
March 2010-January 2011, as a team leaderKey: Social Network, Cryptograhpy Design and Theoretical AnalysisTechnique: Android, Symbian C++, PHP, C/C++Contribution: Simple and secured social network based on addressbooks

Track and Control System, March 2009-July 2009, in charge of algorithm design and implementationKey: Detect moving object and control something to track it Technique: FPGA, VHDL, Verilog
Contribution: Realtime track and control for single moving object with motionless camera in Altera
DE2-70 board